work.suroh.tk/node_modules/browser-sync-ui/lib/plugins/remote-debug/latency/latency.js

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2019-12-02 12:22:45 +00:00
var Immutable = require("immutable");
module.exports.init = function (ui, bs) {
var timeout = 0;
var optPath = ["remote-debug", "latency"];
ui.setOptionIn(optPath, Immutable.Map({
name: "latency",
title: "Latency",
active: false,
tagline: "Simulate slower connections by throttling the response time of each request.",
rate: 0
}));
var methods = {
toggle: function (value) {
if (value !== true) {
value = false;
}
if (value) {
ui.setOptionIn(optPath.concat("active"), true);
bs.addMiddleware("*", function (req, res, next) {
setTimeout(next, timeout);
}, {id: "cp-latency", override: true});
} else {
ui.setOptionIn(optPath.concat("active"), false);
bs.removeMiddleware("cp-latency");
}
},
adjust: function (data) {
timeout = parseFloat(data.rate) * 1000;
var saved = ui.options.getIn(optPath.concat("rate"));
if (saved !== data.rate) {
ui.setOptionIn(optPath.concat("rate"), timeout/1000);
}
},
event: function (event) {
methods[event.event](event.data);
}
};
return methods;
};